Adding a PSR-11 container adapter to get back sane defaults

src/Providers/GraphQLiteServiceProvider.php

@@ -14,6 +14,7 @@
 use Symfony\Bridge\PsrHttpMessage\HttpMessageFactoryInterface;
 use TheCodingMachine\GraphQLite\Laravel\Controllers\GraphQLiteController;
 use TheCodingMachine\GraphQLite\Laravel\Middlewares\GraphQLMiddleware;
+use TheCodingMachine\GraphQLite\Laravel\SanePsr11ContainerAdapter;
 use TheCodingMachine\GraphQLite\Schema;
 use TheCodingMachine\GraphQLite\SchemaFactory;
 use GraphQL\Type\Schema as WebonyxSchema;
@@ -62,7 +63,7 @@ public function register()
         });
 
         $this->app->singleton(SchemaFactory::class, function (Application $app) {
-            $service = new SchemaFactory($app->make(Repository::class), $app);
+            $service = new SchemaFactory($app->make(Repository::class), new SanePsr11ContainerAdapter($app));
 
             $controllers = config('graphqlite.controllers', 'App\\Http\\Controllers');
             if (!is_iterable($controllers)) {

src/SanePsr11ContainerAdapter.php

@@ -0,0 +1,62 @@
+<?php
+
+
+namespace TheCodingMachine\GraphQLite\Laravel;
+
+
+use function class_exists;
+use Illuminate\Contracts\Container\Container;
+use Psr\Container\ContainerExceptionInterface;
+use Psr\Container\ContainerInterface;
+use Psr\Container\NotFoundExceptionInterface;
+
+/**
+ * A container adapter around Laravel containers that adds a "sane" implementation of PSR-11.
+ * Notably, "has" will return true if the class exists, since Laravel is an auto-wiring framework.
+ */
+class SanePsr11ContainerAdapter implements ContainerInterface
+{
+    /**
+     * @var Container
+     */
+    private $container;
+
+    public function __construct(Container $container)
+    {
+        $this->container = $container;
+    }
+
+    /**
+     * Finds an entry of the container by its identifier and returns it.
+     *
+     * @param string $id Identifier of the entry to look for.
+     *
+     * @throws NotFoundExceptionInterface  No entry was found for **this** identifier.
+     * @throws ContainerExceptionInterface Error while retrieving the entry.
+     *
+     * @return mixed Entry.
+     */
+    public function get($id)
+    {
+        return $this->container->get($id);
+    }
+
+    /**
+     * Returns true if the container can return an entry for the given identifier.
+     * Returns false otherwise.
+     *
+     * `has($id)` returning true does not mean that `get($id)` will not throw an exception.
+     * It does however mean that `get($id)` will not throw a `NotFoundExceptionInterface`.
+     *
+     * @param string $id Identifier of the entry to look for.
+     *
+     * @return bool
+     */
+    public function has($id)
+    {
+        if (class_exists($id)) {
+            return true;
+        }
+        return $this->container->has($id);
+    }
+}